M4 Barrels
Always Be Field Ready
Reliable Replacement Barrels
Military-grade barrel production for US military and Allied forces is a key operation of our business. Specializing in 5.56 NATO chambering and rifling, our manufacturing process and facility allows for high-volume production of M4 replacement barrels.
Specs
Profile: Government M4 Carbine
Length: 14.5 in (36.83 cm)
Twist: 1-7
Muzzle Thread: 1/2-28
Exterior Finish: Phosphate
Interior Finish: Chrome
Gas Block Diameter: 0.75 in (1.905 cm)
Gas Block Journal Length: A1 / A2
Quality Control
Valor controls every aspect of barrel production:
- Material selection
- Blank Preparation
- Drill / Ream / Rifle
- Stress Relief
- Profile
- Chambering
- Chrome per AMS-QQ-C-320, Class 2
- Phosphate per MIL-DTL-16232, Type 2
- Proof Firing and Inspection
- Final Assembly
- Test Shooting (Lot Acceptance)
We work with trusted US based partners to source MIL-spec assembly components including barrel extensions and front sights.
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RELATED PRODUCTS
We can manufacture barrel blanks up to 30” in length and 2” in diameter, allowing for production of multiple calibers. All barrels feature a proprietary chrome plating and phosphate treatment. We also provide engineering expertise to develop custom barrel profiles for customers.
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